Though (the Tao) is uncreated itself, it creates all things. Because it has no substance, it can enter into where there is no space. Exercising by returning to itself, winning victories by remaining gentle and yielding, it is softer than anything, and therefore overcomes everything hard.
My teachings are easy to understand and easy to put into practice. Yet your intellect will never grasp them, and if you try to practice them, you'll fail. My teachings are older than the world. How can you grasp their meaning? If you want to know me, look inside your heart.
Thus it is that "Some things are increased by being diminished, others are diminished by being increased." What others have taught, I also teach; verily, I will make it the root of my teaching.
When the world is ruled according to the Way, the ghosts lose their power. The ghosts do not really lose their power, but it is not used to harm people.
Having reached a high level of realization (or having accomplished anything in life), don't get excited or puffed up with pride but remain calm, humble, and in "perfect equanimity" if you want to continue in this deep state of consciousness.
Keep your mouth shut, and close up the doors of sight and sound, and as long as you live you will have no vexation. But open your mouth, or become inquisitive, and you will be in trouble all your life long.
Thirty spokes meet in the hub. Where a wheel isn't is where it's useful. Hollowed out, clay makes a pot. Where the pots not is where it's useful. Cut doors and windows to make a room. Where the room isn't, there's room for you. So the profit in what is, is in the use of what isn't.